Earthquakes on December 4, 2022
309
EARTHQUAKES on December 4, 2022
24-hour UTC period · USGS data
LARGEST: M6.8 — 109 km NE of Hihifo, Tonga
38 km deep · 19 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
8
M4.0–4.9
35
M3.0–3.9
13
M2.0–2.9
68
M1.0–1.9
185
Activity Summary
309
Total earthquakes
~250
Daily average
Elevated
Activity level
8
M5.0+ events
Significant Earthquakes (M4.5+)
6.8
109 km NE of Hihifo, Tonga
19:24 UTC · 38.0 km deep
Felt by 19
5.5
279 km SSE of Isangel, Vanuatu
19:00 UTC · 138.7 km deep
Felt by 2
5.5
34 km S of Lambaréné, Gabon
09:53 UTC · 10.0 km deep
Felt by 6
5.4
Reykjanes Ridge
11:13 UTC · 10.0 km deep
5.0
Samoa Islands region
23:38 UTC · 17.4 km deep
5.0
48 km SW of Andalgalá, Argentina
21:04 UTC · 168.4 km deep
Felt by 1
5.0
125 km NE of Hihifo, Tonga
20:27 UTC · 10.0 km deep
5.0
Reykjanes Ridge
03:39 UTC · 10.0 km deep
Earthquake Map — December 4, 2022
All Earthquakes — December 4, 2022
Showing 30 of 124 (filtered from 309)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-12-04 2022-12-04 23:50:32 UTC | 2.4md | 3 km SSE of La Parguera, Puerto Rico 17.945°, -67.027° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
At 23:50 UTC on December 4, 2022, a magnitude 2.4 tremor occurred 3 km SSE of La Parguera, Puerto Rico. Coming 18 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 23:38:18 UTC | 5.0mb | Samoa Islands region -15.520°, -171.668° | 17.4 km | - | II | green | ✓ Reviewed | USGS → |
At 23:38 UTC on December 4, 2022, a magnitude 5.0 tremor occurred in the Samoa Islands region. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 23:22:40 UTC | 4.1mb | 122 km NNE of Hihifo, Tonga -14.974°, -173.273° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 122 km NNE of Hihifo, Tonga on December 4, 2022, with origin time 23:22 UTC. It arrived roughly 3 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 23:08:23 UTC | 2.6ml | Central Alaska 62.316°, -147.654° | 40.6 km | - | - | - | ✓ Reviewed | USGS → |
At 23:08 UTC on December 4, 2022, a magnitude 2.6 tremor occurred near Central Alaska. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 22:39:51 UTC | 4.3mb | Carlsberg Ridge 3.684°, 63.826° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place near Carlsberg Ridge on December 4, 2022 at 22:39 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 22:29:02 UTC | 3.4ml | 91 km SE of False Pass, Alaska 54.237°, -162.480° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 91 km SE of False Pass, Alaska came in on December 4, 2022 at 22:29 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 22:24:58 UTC | 2.3md | Island of Hawaii, Hawaii 19.447°, -155.601° | -1.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 4, 2022 at 22:24 UTC, a magnitude 2.3 earthquake struck near Island of Hawaii, Hawaii. Coming 22 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 22:12:12 UTC | 2.3ml | 92 km SSW of False Pass, Alaska 54.096°, -163.978° | 28.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 92 km SSW of False Pass, Alaska on December 4, 2022 at 22:12 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 22:06:34 UTC | 4.3mb | 84 km S of Acajutla, El Salvador 12.831°, -89.898° | 51.8 km | - | - | - | ✓ Reviewed | USGS → |
December 4, 2022 brought a magnitude 4.3 earthquake 84 km S of Acajutla, El Salvador, logged at 22:06 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 21:32:16 UTC | 2.3ml | 57 km NNW of Skwentna, Alaska 62.448°, -151.916° | 107.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 57 km NNW of Skwentna, Alaska with origin time 21:32 UTC on December 4, 2022. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 21:27:06 UTC | 4.9mb | 169 km SSW of Singkil, Indonesia 0.986°, 96.975° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place 169 km SSW of Singkil, Indonesia on December 4, 2022 at 21:27 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 21:14:09 UTC | 4.5mb | 119 km NNE of Hihifo, Tonga -15.027°, -173.228° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:14 UTC on December 4, 2022, a magnitude 4.5 tremor occurred 119 km NNE of Hihifo, Tonga. Coming 1 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 21:13:11 UTC | 4.2mb | Revilla Gigedo Islands region 19.653°, -109.457° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:13 UTC on December 4, 2022, a magnitude 4.2 tremor occurred in the Revilla Gigedo Islands region. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 21:12:31 UTC | 2.1ml | 46 km NW of Toyah, Texas 31.618°, -104.131° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
On December 4, 2022, worldwide seismic activity registered a magnitude 2.1 earthquake 46 km NW of Toyah, Texas at 21:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 13 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 21:04:24 UTC | 5.0mb | 48 km SW of Andalgalá, Argentina -27.929°, -66.621° | 168.4 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake 48 km SW of Andalgalá, Argentina at 21:04 UTC on December 4, 2022. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 21:02:07 UTC | 4.4mb | Banda Sea -4.007°, 127.864° | 181.2 km | - | - | - | ✓ Reviewed | USGS → |
December 4, 2022 brought a magnitude 4.4 earthquake near Banda Sea, logged at 21:02 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 20:57:05 UTC | 4.5mb | Rat Islands, Aleutian Islands, Alaska 51.168°, 178.674° | 27.4 km | - | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake near Rat Islands, Aleutian Islands, Alaska at 20:57 UTC on December 4, 2022. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 20:43:24 UTC | 2.3ml | 128 km SW of Adak, Alaska 51.169°, -178.103° | 22.4 km | - | - | - | ✓ Reviewed | USGS → |
On December 4, 2022, worldwide seismic activity registered a magnitude 2.3 earthquake 128 km SW of Adak, Alaska at 20:43 UTC. Coming 1 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 20:39:06 UTC | 3.2ml | Andreanof Islands, Aleutian Islands, Alaska 51.092°, -178.182° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 4, 2022 at 20:39 UTC, a magnitude 3.2 earthquake struck near Andreanof Islands, Aleutian Islands, Alaska. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 20:38:07 UTC | 2.5ml | Southeastern Alaska 58.567°, -136.934° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake near Southeastern Alaska came in on December 4, 2022 at 20:38 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 20:27:21 UTC | 5.0mb | 125 km NE of Hihifo, Tonga -15.032°, -173.123° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.0 event was detected 125 km NE of Hihifo, Tonga on December 4, 2022, with origin time 20:27 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 20:27:09 UTC | 4.8mb | 101 km ESE of Nichinan, Japan 31.381°, 132.403° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 4, 2022 at 20:27 UTC, a magnitude 4.8 earthquake struck 101 km ESE of Nichinan, Japan. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 20:04:13 UTC | 2.4ml | 22 km SSW of Petersville, Alaska 62.306°, -150.883° | 71.3 km | - | - | - | ✓ Reviewed | USGS → |
On December 4, 2022, worldwide seismic activity registered a magnitude 2.4 earthquake 22 km SSW of Petersville, Alaska at 20:04 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 19:59:37 UTC | 4.3mb | 67 km ENE of Luganville, Vanuatu -15.320°, 167.759° | 119.7 km | - | - | - | ✓ Reviewed | USGS → |
On December 4, 2022 at 19:59 UTC, a magnitude 4.3 earthquake struck 67 km ENE of Luganville, Vanuatu. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 19:53:54 UTC | 2.2ml | 9 km ENE of Silver Springs, Alaska 62.042°, -145.162° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 9 km ENE of Silver Springs, Alaska with origin time 19:53 UTC on December 4, 2022. Coming 1 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 19:48:43 UTC | 2.4ml | 26km SW of Laguna Beach, CA 33.370°, -117.975° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 26km SW of Laguna Beach, CA on December 4, 2022, with origin time 19:48 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 19:37:11 UTC | 2.3ml | 9 km ENE of Silver Springs, Alaska 62.053°, -145.169° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
At 19:37 UTC on December 4, 2022, a magnitude 2.3 tremor occurred 9 km ENE of Silver Springs, Alaska. It arrived roughly 1 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 19:35:15 UTC | 2.7ml | 8 km E of Silver Springs, Alaska 62.021°, -145.172° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 8 km E of Silver Springs, Alaska on December 4, 2022 at 19:35 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 19:24:15 UTC | 6.8mww | 109 km NE of Hihifo, Tonga -15.350°, -172.987° | 38.0 km | 19 | V | green | ✓ Reviewed | USGS → |
On December 4, 2022 at 19:24 UTC, a magnitude 6.8 earthquake struck 109 km NE of Hihifo, Tonga. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M6.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-04 2022-12-04 19:23:03 UTC | 2.2ml | 44 km WSW of False Pass, Alaska 54.751°, -164.079° | 1.1 km | - | - | - | ✓ Reviewed | USGS → |
December 4, 2022 brought a magnitude 2.2 earthquake 44 km WSW of False Pass, Alaska, logged at 19:23 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Legend:
Mag: Magnitude (magType = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on December 4, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.